1, dumbbell. As one of the important fitness equipment. With a pair of dumbbells, you can exercise your arm muscles. There are two kinds of dumbbells: fixed weight dumbbells and adjustable dumbbells. Doing dumbbell exercises often can shape perfect hand lines.

2. barbell. This means that weight plates with different weights are installed at both ends of the die bar. Nowadays people use barbells to keep healthy. Especially those who want to exercise their arms, they can try to exercise their arms with barbells.

3, the puller. There are two kinds of spring tensioners and tape tensioners. Can be used to exercise the muscles of the arm. You can increase or decrease the number of springs according to your own strength when exercising. In addition, the stretcher is economical, occupies a small area and does not occupy space, so it is an ideal instrument for arm muscle exercisers.